Site Type

Site Name

 

ENL - Lower Entiat River

This is a passive in-stream interrogation system at Entiat River rkm 2, located immediately upstream of Entiat, WA. The system consists of two sets of three antennas. Each set of antennas spans the river; the sets are arrayed in tandem to provide directionality data.

Operated by:

USFWS

First year:

2007

Last year:

2017

RKM:

778.002

Site Contacts

Steward

Tom Desgroseillier
Tom_Desgroseillier@fws.gov
(509) 784-1591

POC

Nicholas Albrecht
nicholas_albrecht@fws.gov
(509) 784-1591

Map

Operational Dates

Year Start Date End Date Notes
2014 1/1/2014 1/1/2015
2015 1/1/2015 1/1/2016
2016
2017
2007 10/25/2007 1/1/2008 First year of operation.
2008 1/1/2008 1/1/2009 April 16 - 18: data lost due to buffer overrun. May 25 - July 24: all antennae washed out. Sept. 8 - 24: no data due to MUX board failure.
2009 1/1/2009 1/1/2010 Jan. 7 - Mar. 7: all antennae washed out. May 26 - July 9: site not operational due to elevated flows.
2010 1/1/2010 1/1/2011 The site operated continually from January 1st until May 2, when elevated river discharge resulted in the operational loss of antenna #23. This was followed by the loss of antenna #22 on May 16, #21 on May 31, #25 on June 5, #24 on June 8, and #26 on June 13. There was no detection capability and ENL from June 13 until July 28, when antennas 21, 22, 23, 24, and 25 were reinstalled.
2011 1/1/2011 1/1/2012 Antennas 3, 5, 6 lost power Jan. 19, antennas 2 and 4 have high noise, antenna 1 has intermittent high noise. Antennas 1,2, and 4 not reading tags due to high noise on Jan. 27. Antennas 3, 5, and 6 were replaced on Feb. 10, and the noise was reduced on antennas 1, 2, and 4. Periods of high noise occurred during May. Antennas 3 and 6 not operational as of May 23; antenna 5 not operational on June 13. Antennas 3, 5, and 6 replaced on September 1. Site down from October 5-11. Antenna 1 lost power from October 27-December 6.
2012 1/1/2012 1/1/2013
2013 1/1/2013 1/1/2014

Current and Historic Site Configurations

Config Seq: 100

Start Date: 10/1/2007

End Date:

Event Logs